Silicon's atomic number is 14 and it's mass number is 28.086. It's period number is 3 and its group number is 14. The name of the group that it is in is the Carbon Group. As well as this, it is a metalloid and a solid.
Silicon is made into silicon chips which are the basis of computing and electronics.
Silicon is used in parts of clocks and watches.
Silicon is used in cookware.